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87 lines
2.4 KiB
Go
87 lines
2.4 KiB
Go
// Copyright 2018 The LevelDB-Go and Pebble Authors. All rights reserved. Use
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// of this source code is governed by a BSD-style license that can be found in
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// the LICENSE file.
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package pebble
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import (
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"context"
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"github.com/cockroachdb/pebble/internal/base"
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"github.com/cockroachdb/pebble/internal/keyspan"
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)
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type errorIter struct {
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err error
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}
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// errorIter implements the base.InternalIterator interface.
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var _ internalIterator = (*errorIter)(nil)
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func (c *errorIter) SeekGE(key []byte, flags base.SeekGEFlags) (*InternalKey, base.LazyValue) {
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return nil, base.LazyValue{}
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}
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func (c *errorIter) SeekPrefixGE(
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prefix, key []byte, flags base.SeekGEFlags,
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) (*base.InternalKey, base.LazyValue) {
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return nil, base.LazyValue{}
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}
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func (c *errorIter) SeekLT(key []byte, flags base.SeekLTFlags) (*InternalKey, base.LazyValue) {
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return nil, base.LazyValue{}
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}
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func (c *errorIter) First() (*InternalKey, base.LazyValue) {
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return nil, base.LazyValue{}
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}
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func (c *errorIter) Last() (*InternalKey, base.LazyValue) {
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return nil, base.LazyValue{}
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}
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func (c *errorIter) Next() (*InternalKey, base.LazyValue) {
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return nil, base.LazyValue{}
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}
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func (c *errorIter) Prev() (*InternalKey, base.LazyValue) {
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return nil, base.LazyValue{}
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}
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func (c *errorIter) NextPrefix([]byte) (*InternalKey, base.LazyValue) {
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return nil, base.LazyValue{}
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}
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func (c *errorIter) Error() error {
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return c.err
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}
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func (c *errorIter) Close() error {
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return c.err
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}
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func (c *errorIter) String() string {
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return "error"
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}
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func (c *errorIter) SetBounds(lower, upper []byte) {}
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func (c *errorIter) SetContext(_ context.Context) {}
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type errorKeyspanIter struct {
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err error
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}
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// errorKeyspanIter implements the keyspan.FragmentIterator interface.
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var _ keyspan.FragmentIterator = (*errorKeyspanIter)(nil)
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func (*errorKeyspanIter) SeekGE(key []byte) *keyspan.Span { return nil }
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func (*errorKeyspanIter) SeekLT(key []byte) *keyspan.Span { return nil }
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func (*errorKeyspanIter) First() *keyspan.Span { return nil }
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func (*errorKeyspanIter) Last() *keyspan.Span { return nil }
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func (*errorKeyspanIter) Next() *keyspan.Span { return nil }
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func (*errorKeyspanIter) Prev() *keyspan.Span { return nil }
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func (i *errorKeyspanIter) Error() error { return i.err }
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func (i *errorKeyspanIter) Close() error { return i.err }
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func (*errorKeyspanIter) String() string { return "error" }
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